--- svmbasic.h	2016-03-06 19:57:17.000000000 +0100
+++ svmbasic.h	2016-03-06 19:58:34.000000000 +0100
@@ -3,7 +3,7 @@
 // Then it is traversed in the OpenCL kernel on the device.
 typedef struct _Element
 {
-    global float* internal; //points to the "value" of another Element from the same array
-    global float* external; //points to the entry in a separate array of floating-point values
-    float value;
-} Element;
+    global float* internal __attribute__ ((aligned (8))); //points to the "value" of another Element from the same array
+    global float* external __attribute__ ((aligned (8))); //points to the entry in a separate array of floating-point values
+    float value __attribute__ ((aligned (8)));
+} Element __attribute__ ((aligned (32)));